add WeekdaySet, a collection of Weekday that is Copy
#3636
| Job | Run time |
|---|---|
| 23s | |
| 17s | |
| 10s | |
| 21s | |
| 1m 9s | |
| 31s | |
| 1m 8s | |
| 1m 7s | |
| 37s | |
| 29s | |
| 1m 22s | |
| 1m 4s | |
| 1m 21s | |
| 1m 3s | |
| 2m 1s | |
| 2m 28s | |
| 1m 8s | |
| 11s | |
| 1m 40s | |
| 1m 1s | |
| 59s | |
| 9s | |
| 21s | |
| 14s | |
| 10s | |
| 18s | |
| 51s | |
| 22m 33s |